/Engine/Source/Runtime/Engine/Public/AudioDevice.h
Stop any playing sounds that are using a particular SoundWave
void StopSoundsUsingResource ( [USoundWave](API\Runtime\Engine\Sound\USoundWave) * SoundWave, [TArray](API\Runtime\Core\Containers\TArray)< [UAudioComponent](API\Runtime\Engine\Components\UAudioComponent) * > * StoppedComponents )